.footnav-root{
    position:fixed;
    bottom: 0;
    left:0;
    width:100%;
    height:65px;
    z-index:100;
    background-color:#F8F8F8;
    padding-top: 15px;
    border-top:solid 1px #eee;
    transition: bottom .2s linear;
}

.nav-box{
    width:100%;
    height:100%;
    display:flex;
    justify-content:space-around;
    align-items:center;
    text-align:center;
}

.nav-item{
    font-size: 10px;
    color: #999;
    display: inline-flex;
    flex-direction: column;
    align-items:center;
    user-select:none;
}

.nav-item-active{ 
    color: #DE7D2C;
    font-weight:900;
}
.buy-num{
    position: absolute;
    display: inline-block;
    width: 15px;
    height: 15px;
    background-color: red;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    line-height: 15px;
    top: 5px;
    right: 32%;
}
